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Security report for thriverenewables.co.uk

Thrive Renewables · Energy · United Kingdom

Medium risk. 3 critical or high findings in SSL/TLS and Security headers.

Security score

72/100

Risk levelMedium

0–100, higher is better. How it is calculated

Thrive Renewables is a UK-based renewable energy investment company with a history dating back to 1994. The company focuses on funding, building, and operating clean energy projects, primarily in the renewable energy sector. Their website presents a professional and consistent brand image targeting investors and stakeholders interested in sustainable energy solutions. The technical infrastructure leverages modern web technologies such as Next.js and React, indicating a contemporary digital presence. However, the absence of WHOIS domain registration data raises concerns about domain legitimacy and ownership transparency. Security posture is moderate with HTTPS usage implied but lacking advanced security headers and visible privacy or cookie policies. Overall, the website is functional and informative but would benefit from enhanced security and compliance features to improve trust and regulatory adherence.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

3 findings rated critical or high. Fix these first.

  1. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

Need hands-on remediation? Email guard@offseq.com

Keep watching thriverenewables.co.uk

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
69
Security headers
30
Email security
70
DNS health
65
Network security
100
GDPR outside view
100
Average
72

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The company operates in the renewable energy sector, targeting investors and project stakeholders. Their business model revolves around investment and funding of clean energy projects, positioning themselves as an established player since 1994. The website content and structure support this positioning with clear descriptions of services and impact. There is no evidence of partnerships or subsidiaries from the provided data. The lack of contact information and privacy policies may limit user engagement and trust. The company appears to maintain a medium-sized operation with a focus on sustainability and renewable energy investment.

Security posture

The website employs HTTPS, which is a fundamental security requirement. However, there is no evidence of security headers such as Content-Security-Policy or X-Frame-Options, which are recommended to mitigate common web vulnerabilities. No forms or input fields were detected in the provided content, reducing immediate risk from input-based attacks, but also limiting user interaction. The absence of privacy and cookie policies indicates potential compliance gaps with GDPR and other data protection regulations. No incident response or vulnerability disclosure information is available, which could hinder timely security issue management. Overall, the security posture is moderate but requires improvements in policy transparency and technical safeguards.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies to ensure GDPR compliance and user trust.
  2. Add security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection to enhance web security.
  3. Verify and correct domain registration details to ensure domain legitimacy and reduce suspicion.
  4. Include clear contact information including company emails and phone numbers to improve business credibility.
  5. Establish an incident response plan and publish vulnerability disclosure guidelines to improve security readiness.

Contact details published on the site

Registration number
registration number 817008
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Thrive Renewables
Description
Thrive Renewables is a renewable energy investment company and has been funding, building and operating clean energy projects since 1994.
Key services
funding clean energy projects, building renewable energy infrastructure, operating clean energy projects
Content quality
good
Branding
consistent

Technology

Stack
Next.js, React, Google Fonts, Google Maps API
Frameworks
Next.js
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied by image and script URLs using https

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is accessible with full content and no WAF blocking
  2. No explicit privacy, cookie, or terms of service policies found in provided HTML
  3. No contact emails or phone numbers explicitly found in provided content
  4. Website uses modern web technologies including Next.js and React
  5. No visible analytics or tracking scripts detected
  6. No visible advertising or affiliate marketing detected
  7. Website content is focused on renewable energy investment and project funding
  8. WHOIS data is missing or domain is not properly registered under Nominet UK rules
  9. Website branding and content quality are good and consistent
  10. No security headers or advanced security configurations detected in provided data
Technical notes

Notes

The website is built using Next.js and React frameworks, indicating a modern and scalable architecture. It uses Google Fonts and Google Maps API for enhanced user experience. The CMS backend appears to be WordPress, likely used headlessly. Performance is moderate with deferred script loading and preconnect hints. Mobile optimization is good with responsive design elements. SEO is supported by proper meta tags and JSON-LD structured data. However, accessibility features are basic and could be improved. No analytics or tracking scripts were detected, which may be intentional for privacy reasons. The lack of visible security headers and policies suggests technical debt in security and compliance areas.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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